Helsinki /Helsingfors/-based workshop. Active during 1871-1898 time period. Looks like it also was a supplier for Mellin workshop https://asiamedals.info/threads/bad...roland-mellin-workshop-r-m.23241/#post-355600
40 years of service on St.Vladimir ribbon.
Silver, gilding.
Size 29.3×33.9 mm.
Weight 9.34 g.
Marks.
Year mark O4 = 1895.
Silver hallmark "813" + "Crown".
City mark "rook under the crown" (for Helsingfors),
Double stamped maker's mark "PA" for Petter Airaksinen.
40 years of service on St.Vladimir ribbon.
Silver, gilding.
Size 29.3×33.9 mm.
Weight 9.34 g.
Marks.
Year mark O4 = 1895.
Silver hallmark "813" + "Crown".
City mark "rook under the crown" (for Helsingfors),
Double stamped maker's mark "PA" for Petter Airaksinen.